NTN 7921DF Bearing
Bearing 7921DF NTN , NTN bearing
- Bearing Weight 1.944 (Inquire about discount price)
- Bore diameter 105
- Outer diameter 145
- Overall width 20
- Bore type NTN Bearing
- Cage material Steel
- Precision class Class normal (P0)(P6)
- Old Model 7921DF
- Operating Temperature Range -40 to 250 ºF
Connecting Size
- Size mating parts (Da max.)
- 138
- Size mating parts (ra max.)
- 1
- Size mating parts (ra1 max.)
- 0.6
- Size mating parts (db min.)
- 112
Overall dimension
- External diameter
- 145 mm
- Internal diameter
- 105 mm
- B Width
- 20 mm
- Weight
- 1.944 Kg
Size Geometric characteristics
- rРадиус наружней фаски
- 1.1 mm
- r1 outer ring (flange) installation chamfer
- 0.6 mm
- αУгол контакта
- 25°
Load and resources
- Dynamic load capacity
- 79 кН
- C0 Static load capacity
- 109 кН
- Cr Radial dynamic load
- 79 кН
- Maximum speed with grease lubrication
- 3 500 об/мин
- WoilЧастота вращения предельная при жидкой смазке
- 4 700 об/мин
Protect
- Seal Up
- Нет
Other
- Number of rolling tracks
- 2
- Расстояние до действительного центра опоры (a)
- 46 mm
- Size
- 105x145x20
- Size (2B)
- 40 mm
- MODEL
- BRAND
- IDD
- OD
- WIDTH
- Weight
- 7922DF
- NTN
- 110
- 150
- 20
- 2.02
- 7940DF
- NTN
- 200
- 280
- 38
- 14.3
- 7908DF
- NTN
- 40
- 62
- 12
- 0.26
- 7948DF
- NTN
- 240
- 320
- 38
- 16.68
- 7928DF
- NTN
- 140
- 190
- 24
- 3.88
- 32219UDF
- NTN
- 95
- 170
- 91
- 8.85
- 7919DF
- NTN
- 95
- 130
- 18
- 1.376
- 7920DF
- NTN
- 100
- 140
- 20
- 1.868
- 7907DF
- NTN
- 35
- 55
- 10
- 0.176
- 7952DFP5
- NTN
- 260
- 360
- 92
- 28
- 7905DF
- NTN
- 25
- 42
- 9
- 0.1
- 7921DB
- NTN
- 105
- 145
- 20
- 1.944
- 7909DF
- NTN
- 45
- 68
- 12
- 0.3
- 7930DF
- NTN
- 150
- 210
- 28
- 5.92
- 7918DF
- NTN
- 90
- 125
- 18
- 1.316
- 30214UDF
- NTN
- 70
- 125
- 26.25
- 2.69
- 7914DF
- NTN
- 70
- 100
- 16
- 0.794
- 7021DF
- NTN
- 105
- 160
- 26
- 3.72
- 7924DF
- NTN
- 120
- 165
- 22
- 3.32
- 7906DF
- NTN
- 30
- 47
- 9
- 0.116
- 7936DF
- NTN
- 180
- 250
- 33
- 9.74
- 7916DF
- NTN
- 80
- 110
- 16
- 0.888
- 7917DF
- NTN
- 85
- 120
- 18
- 1.256
- 7926DF
- NTN
- 130
- 180
- 24
- 3.64
- 7921UADG/GNP42
- NTN
- 105
- 145
- 20
- 0.84
- 7952DF
- NTN
- 260
- 360
- 46
- 28
- 7321DF
- NTN
- 105
- 225
- 49
- 16.4
- 32218UDF
- NTN
- 90
- 160
- 85
- 7.2
- 7913DF
- NTN
- 65
- 90
- 13
- 0.49
- 30217UDF
- NTN
- 85
- 150
- 61
- 4.46
Request for inquiry
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